// The following statements will assign a value to gpa according to
// a letter grade
char letterGrade;
float gpa; // grade point average
cout << "Enter grade (A, B, C, D, F): ";
cin >> letterGrade;
switch (letterGrade)
{
case 'A': gpa = 4.0;
break;
case 'B': gpa = 3.0;
break;
case 'C': gpa = 2.0;
break;
case 'D': gpa = 1.0;
break;
case 'F': gpa = 0.0;
break;
default: cout << "Illegal letter grade" << endl;
cout << "No gpa was assigned" << endl;
}